113 institutions reported holding $102.2M of PEPGEN INC (PEPG) in SEC 13F filings for 2026-03-31. Largest institutional holders: RA CAPITAL MANAGEMENT, L.P. ($35.5M), Commodore Capital LP ($7.9M), VIKING GLOBAL INVESTORS LP ($6.2M), Laurion Capital Management LP ($4.9M), Vivo Capital, LLC ($4.1M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | RA CAPITAL MANAGEMENT, L.P. | $35.5M | 20.1M | Hold |
| 2 | Commodore Capital LP | $7.9M | 4.5M | Added |
| 3 | VIKING GLOBAL INVESTORS LP | $6.2M | 3.5M | Hold |
| 4 | Laurion Capital Management LP | $4.9M | 2.8M | Added |
| 5 | Vivo Capital, LLC | $4.1M | 2.3M | Hold |
| 6 | MILLENNIUM MANAGEMENT LLC | $3.7M | 2.1M | Added |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | $3.4M | 1.9M | New |
| 8 | AWM Investment Company, Inc. | $3.2M | 1.8M | Added |
| 9 | Kalehua Capital Management LLC | $3.1M | 1.7M | New |
| 10 | ADAR1 Capital Management, LLC | $2.8M | 1.6M | Added |
| 11 | Woodline Partners LP | $2.3M | 1.3M | Hold |
| 12 | Pictet Asset Management Holding SA | $2.3M | 1.3M | Trimmed |
| 13 | BlackRock, Inc. | $2.3M | 1.3M | Added |
| 14 | MORGAN STANLEY | $1.8M | 998,987 | Trimmed |
| 15 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $1.6M | 887,468 | Added |
| 16 | Ikarian Capital, LLC | $1.3M | 747,165 | Hold |
| 17 | Qube Research & Technologies Ltd | $1.3M | 706,472 | Added |
| 18 | Nantahala Capital Management, LLC | $1.2M | 681,158 | Trimmed |
| 19 | MONIMUS CAPITAL MANAGEMENT, LP | $1.1M | 598,663 | Added |
| 20 | GEODE CAPITAL MANAGEMENT, LLC | $949,228 | 535,999 | Trimmed |
| 21 | Creek Drive Management Group LLC | $796,500 | 450,000 | New |
| 22 | BOOTHBAY FUND MANAGEMENT, LLC | $756,983 | 427,674 | Trimmed |
| 23 | CITADEL ADVISORS LLC | $643,788 | 363,722 | Added |
| 24 | MARSHALL WACE, LLP | $528,466 | 298,568 | Added |
| 25 | Driehaus Capital Management LLC | $495,439 | 279,909 | Trimmed |
Source: SEC Form 13F filings · as of 2026-03-31